Is it just multiple threads? It might be interesting to try iperf 2.0.13 and the -P 8 option.
Bob On Thu, May 30, 2019 at 10:04 AM Jeffrey Lane <j...@canonical.com> wrote: > I've been working on this a bit and the only way to get it was to run > multiple iperf3 threads. To do this, you have to set up several (we do > about 8 threads for 100Gb, possibly 10) on the target (listening to > different ports) and then run to client instances (one for each port), > then aggregate the results for each, and that nets in the 92-97Gb/s > range overall. > > Additionally, in some cases tweaks are necessary (jumbo frames, some > kernel tweaks, driver tweaks, etc) but that's all case-by-case. > > And it is very much constrained by CPU and PCIe bandwidth. > > > On Thu, May 30, 2019 at 12:38 PM Chris Preimesberger <ccpi...@gmail.com> > wrote: > > > > I tried and got up to 87Gbps throughput. The results were CPU bound. I > want to build new i7 9900K PCs and re-test. Here's a video of my attempt: > > > > https://youtu.be/uh2zvaaH0hc > > > > > > > > On Thu, May 30, 2019, 3:08 AM Ashwajit Bhoutkar <bhout...@gmail.com> > wrote: > >> > >> Hi, > >> > >> Just wanted to check whether it is possible to test the throughput of > 100G link using iPerf. > >> > >> > >> Thank You, > >> > >> Kind Regards, > >> Ashwajit > >> _______________________________________________ > >> Iperf-users mailing list > >> Iperf-users@lists.sourceforge.net > >> https://lists.sourceforge.net/lists/listinfo/iperf-users > > > > _______________________________________________ > > Iperf-users mailing list > > Iperf-users@lists.sourceforge.net > > https://lists.sourceforge.net/lists/listinfo/iperf-users > > > > -- > Jeff Lane > Engineering Manager > IHV/OEM Alliances and Server Certification > > "Entropy isn't what it used to be." > > > _______________________________________________ > Iperf-users mailing list > Iperf-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/iperf-users >
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